21375818

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{1693}}^1$

素因数の和:1861

約数の個数: 16

約数和(自身を含む): 32931360

約数和(自身を除く): 11555542

約数列:

[1, 2, 59, 107, 118, 214, 1693, 3386, 6313, 12626, 99887, 181151, 199774, 362302, 10687909, 21375818]

約数ペア:

[(1, 21375818), (2, 10687909), (59, 362302), (107, 199774), (118, 181151), (214, 99887), (1693, 12626), (3386, 6313)]